When I am tapping on CHECK IN, the page it is only loading, What do I do?

This error usually comes when Location Setting or Battery Optimization of the device is not enabled.

To check the same please perform steps mentioned below:

• Go to Device Settings and choose Location settings.                                                                   
• Enable Location and choose Mode.                                                                                                               
• Select High Accuracy mode.

 

To change Battery optimization settings,  please follow these steps: 

• Open the Settings on the device and tap on Device Maintenance ( Settings 
• Tap on Battery option and click Battery Usage
• Tap the more button on the action bar at the top right and choose Optimize Battery Usage
• On the Optimize Battery Usage screen, choose All apps list from the drop-down to see all the apps on the device
• Click on FeetPort from the list of apps and choose Don’t Optimize and tap on DONE
• Exit Settings and open FeetPort application.
• Open task and tap on CHECK IN